| Description | Consists of:
Letters between Anatole S Dekaban, National Institute of Neurological Diseases and Blindness, and Penrose regarding palm and foot prints of twins, one of whom has Down's syndrome.
Typescript proof of "Mongoloid twin with 48 chromosomes" by A S Dekaban.
Karyotypes, dermal ridge pattern diagrams used as figures in Dekaban's paper.
Palm and foot prints, dermatoglyphic diagrams and case notes for twins.
Dermatoglyphic diagrams, palm and foot prints and case notes for another patient, suspected of having a Down's syndrome "mosaic" condition. |